'The embassy of India has taken up the matter'

"It is not merely our concern but the concern of the whole nation which we sought to convey to the State Department and the US authorities, so that they understand the depth of the concern that was expressed by us," Rao said.

A press note issued by the Indian embassy in Washington said it has sought the State Department's intervention to put in place measures so that such incidents are not repeated in future.

"In order to convey the deep concern that has been expressed nationwide in India over this incident, the embassy of India has taken up the matter with the US Department of State and sought the State Department's intervention to institute appropriate measures to avoid recurrence of such an incident in the future," the embassy statement said.